Code Injection in TYPO3 - #VU17111
Published: January 22, 2019
Vulnerability identifier: #VU17111
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: TYPO3
Affected software:
TYPO3
TYPO3
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation in TYPO3 core API CommandUtility::checkCommand() method, available for usage for the third-party TYPO3 extensions. A remote attacker can send a specially crafted request to the affected extension and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system, however requires that a specific extension is used.
The vulnerability exists due to improper input validation in TYPO3 core API CommandUtility::checkCommand() method, available for usage for the third-party TYPO3 extensions. A remote attacker can send a specially crafted request to the affected extension and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system, however requires that a specific extension is used.
Remediation
Install updates from vendor's website.